0-80570 570 CFM Four Barrel Carburetor Electric Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go
	0-80670 670 CFM Four Barrel Carburetor Electric Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go
	0-80770 770 CFM Four Barrel Carburetor Electric Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go
	0-80870 870 CFM Four Barrel Carburetor Electric Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go
	0-81570 570 CFM Four Barrel Carburetor Manual Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go
	0-81670 670 CFM Four Barrel Carburetor Manual Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go
	0-81770 770 CFM Four Barrel Carburetor Manual Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go
	0-81870 870 CFM Four Barrel Carburetor Manual Choke; Vacuum Secondary Street Ready out of the box; Two adjustments and go

Holley Street Avenger, model 4150 performance Carburetors are designed to bolt on your vehicle and provide street–ready power right out of the box. The Street Avengers feature the ability to quickly change the vacuum secondary springs, an electric choke, and advanced fuel metering system and a Gen IV power valve with a million–mile blowout protection.